Oddly enough a similar thing happened to my C5. It was into the dealers to have the back suspension uprated. This involved changing spheres and adding soundproofing material inside the boot - bitumastic based sort of stuff.
At the same time the handbrake lever was changed (another little Citroen foible!)
When I picked up the car, I felt the handbrake had been tightened up far too much - couldn't get a 'click' hardly. Garage said it was to Cit specs and would slacken out in time.
Unconvinced, I set off home. About 5 miles down the road, thick clouds of black smoke started to billow from NS wheelarch and pungent smell like burning plastic. I stopped right away and called the dealer who sent a mechanic right out.
The car was taken back and examined. There was obvious signs of burning around the front disc - one of the pad sensor leads was burnt through! The mechanic loosened the handbrake (remember it operates on front wheels of C5) and sent me on my way, promising to fit new discs FOC at next service. They couldn't account for the burning though.
To this day, I think that a bit of the sticky bitumastic had been picked up by the front wheels and become trapped between the (vented) front discs.Possibly an over-adjusted handbrake had contributed to it burning.
Check this out - look between the sections of the vented discs. It might be something like a plastic bag.
I would not have believed the amount of black smoke that came off - I really thought the car was on fire!
It's never happened again!
Graeme
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"front wheel arches."
Do you mean BOTH front arches or just the nearside front arch?
When my wife first drove her Xantia HDi on a cold and frosty day she ran into the house saying her car was on fire! I went outside to look and sure enough there was "smoke " from the nearside front - but it was coming from the exhaust of the auxilliary heater as RichW above says. If it also sounds like Concorde taking off - it's the heater.
See also this thread
www.honestjohn.co.uk/forum/post/index.htm?f=2&t=27...4
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Using the *clutch* to hold it on a slight hill?
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